powerfun-unity/Assets/CountDownAnimation.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using DG.Tweening;
using UnityEngine.UI;

public class CountDownAnimation : PFUIPanel
{
    // Start is called before the first frame update
    void Start()
    {
        
    }
    public void StartTime(UnityAction action,UnityAction action2) 
    {
        HandleAnimation("5", action, action2);
    }

    void HandleAnimation(string s, UnityAction action, UnityAction action2)
    {
        var text = transform.Find("Text");
        text.GetComponent<Text>().text = s;
        text.transform.GetComponent<RectTransform>().DOScale(Vector3.one * 2, 0.5f).onComplete = () =>
           {
               text.GetComponent<RectTransform>().DOScale(Vector3.one * 0.5f, 0.5f).onComplete = ()=> 
               {
                   if (s == "Go") 
                   {
                       action.Invoke();
                       gameObject.SetActive(false);
                       return;
                   }
                   var flag = int.TryParse(s,out int a);
                   if (flag) 
                   {
                       if (a == 1 && action2 != null) 
                       {
                           action2.Invoke();
                       }
                       if (a - 1 == 0)
                       {
                           HandleAnimation("Go", action, action2);
                       }
                       else
                       {
                           HandleAnimation((a - 1).ToString(), action, action2);
                       }
                   }
               };
           };
    }

    // Update is called once per frame
    void Update()
    {
        
    }
}